Weird Problems Burning....?

Ok...still having weird problems burning here is the summary of events and problems I've had soo far... I had been using Nero 5.5+ for a while now to burn my SVCD's..worked fine until last week when I burned an SVCD and came out all jerky even though their is NOTHING wrong with the Mpeg..Ive made sure..burned the SVCD on a CD-RW using Nero and surprisingly It worked PERFECT !. Tried lowering the speed and burning the SVCD on a regular Media using Nero..still same Jerky problem...Decided to switch to VCDEasy because of the compliments I've heard about it soo far..burned the First CD Perfect..really liked it until now...It scans the Mpeg, makes a CD Image file...but when it is about to Write the DATA it fails..Buffer Under Run ?...took BetaMax's advice and lowered the Writing speed changed the Drivers to Default from Generic-mmc..the CD burned good but the problem was that it made it into a a VCD1.1 even though I selected SVCD..?..Unistalled VCDEasy just to see if Nero would work..last hope..still same jerky problem...Burned the movie on a CD-RW worked perfect...burned it on the Regular media at 4X...no change..jerkiness.and Yes the media is fine and my DVD Player has been playing the same media on the previous movies fine...so..Im really stuck right now because I have no Idea what to do cuz Im confused and irritated.. So someone if you have another program for me to try of some help to solving this problem..please do so because it will be very much appreciated.. :angry:

Fixed.... 

Problem is fixed, I started having even more severe problems then before and decided to open up my PC and see what the hell is going on, and well apparently a wire had come loose, don't know how, wel anyway everything seems to be working, no more ASPI, Driver errors..:D

Problem Yet AGAIN 

That's a problem od your player. Buy a new one and save your sorrow.(the Dayteck DVD707 costs only 79 EUR and plays almost every thing well) Or get a hammer and swing towards it...